Home / 489,275,100.07-675,199,748.75-269,258,526.07

Finding the Fourth Proportional to 489,275,100.07, 675,199,748.75 and 269,258,526.07

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Solution

The fourth proportional to 489,275,100.07, 675,199,748.75 and 269,258,526.07 is: 371,576,826.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,275,100.07 : 675,199,748.75 = 269,258,526.07 : x
  2. Step 2: Convert to fraction form
    489,275,100.07/675,199,748.75 = 269,258,526.07/x
  3. Step 3: Cross multiply
    489,275,100.07x = 675,199,748.75 × 269,258,526.07
  4. Step 4: Simplify right side
    489,275,100.07x = 181,803,289,148,225,024
  5. Step 5: Solve for x
    x = 181,803,289,148,225,024/489,275,100.07
  6. Step 6: Final answer
    x = 371,576,826.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.